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BCG vaccine
It has a documented protective effect against meningitis and disseminated TB in children. It does not prevent primary infection and, more importantly, does not prevent reactivation of latent pulmonary infection, the principal source of bacillary spread in the community
Hepatitis B vaccines
It contain one of the proteins from the surface of the hepatitis B virus (HepB surface antigen, or HBsAg). This protein is made by inserting the genetic code into yeast cells, which removes any risk of viral DNA getting into the final product. This process is called recombinant DNA technology.
Rotavirus vaccine
The vaccine contains live human rotavirus that has been weakened (attenuated), so that it stimulates the immune system but does not cause disease in healthy people. However it should not be given to people who are clinically immunosuppressed (either due to drug treatment or underlying illness).
Vitamin A Vaccines
Vitamin A enhanced the antibody response to measles vaccine given at 9 months of age significantly, especially in boys. The effects were sustained over time; the children who had received vitamin A with their measles vaccine were more protected against measles at 6-8 years of age.


MMR Vaccines
Two doses of MMR vaccine are 97% effective against measles and 88% effective against mumps. MMR is an attenuated (weakened) live virus vaccine. This means that after injection, the viruses cause a harmless infection in the vaccinated person with very few, if any, symptoms before they are eliminated from the body.